php associative array functions

what is an array? You will need to create many similar variables in the process of using PHP for development, either early or late. Without a lot of similar variables, you can store the data in an array as an element. Elements in the array have

1. The concept of arrays An array is a named range that is used to store a series of variable values. Each array element has an associated index (also a keyword) that can be used to access elements. PHP allows you to use numbers or strings evenly

PHP combines two associative array functions---improve function efficiency In foreach, the number of circular query data code is relatively small, but the performance is relatively low, the better solution is to collect the ID, use in a one-time

Describes several PHP4 "array" functions that are useful in 1 void extract (array var_array [, int extract_type] [, string prefix]]) to expand an associative array to the value of the variable name and variable, and if there is a conflict, the The

PHP has a lot of functions about arrays to facilitate array manipulation. Defined: Each entity of an array contains two items: key and value, which can be retrieved by a query key. These keys can be numeric (numerical) or associated (associative)

We are introduced here is in the array to increase the associative array, this is a multi-dimensional array, I would like to give you a few examples, I hope that the students will help you. In the"PHP Array add element Method Summary This article

Learn PHP's array summary "experience", PHP array Summary PHP has a lot of functions for arrays, which makes it easy to manipulate arrays. Defined: The array contains two items per entity: Key and value, which can be obtained by querying the key.

In the process of developing using PHP, sooner or later, you will need to create many similar variables, at which point you can store the data as an element in an array. The elements in an array have their own IDs, so you can easily access them.

what is an array? In the process of developing using PHP, sooner or later, you will need to create many similar variables. Without a lot of similar variables, you can store the data as an element in an array. The elements in an array have their

what is an array? You will need to create many similar variables in the process of using PHP for development, either early or late. Without a lot of similar variables, you can store the data in an array as an element. Elements in the array have